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@@ -470,3 +470,12 @@ def have_sudo(*, silent=False):
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return True
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except:
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return False
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+
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+def cached_property(orig_func):
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+ @property
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+ def new_func(self):
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+ attr_name = '_' + orig_func.__name__
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+ if not hasattr(self, attr_name):
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+ setattr(self, attr_name, orig_func(self))
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+ return getattr(self, attr_name)
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+ return new_func
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